White Mountain Hearth Franklin Vent-Free Fireplace Insert (VFPC20,28) Owner's manual
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Page 1
GAS-FIRED
Vent-Free Fireplace Insert
Shown without required surround.
WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death or
property damage.
— Do not store or use gasoline or other
— WHAT TO DO IF YOU SMELL GAS
INSTALLER:
CONSUMER:
Retain this manual for future reference.
UNVENTED GAS
FIREPLACE MODELS:
VFPC20IN33N-1 VFPC28IN33N-1
VFPC20IN33P-1 VFPC28IN33P-
1
VFPC20IN73N-1 VFPC28IN73N-1
VFPC20IN73P-1 VFPC28IN73P-1
WARNING
If not installed, operated and maintained
in accordance with the manufacturer's
instructions, this product could expose you
which can cause death or serious illness.
WARNING
"
FIRE, EXPLOSION, AND ASPHYXIATION HAZARD
maintenance, or installation of this heater or
its controls can cause death or serious injury.
Read and follow instructions and precautions
this heater."
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS
local codes. This appliance is only for use with the type of gas
for use with other gases.
INSTALLATION INSTRUCTIONS
39236-6-0120Page 2
TABLE OF CONTENTS
CARTON CONTENTS AND HARDWARE PACK ....................................................................................... 3
BEFORE YOU START ................................................................................................................................ 4
IMPORTANT SAFETY INFORMATION ................................................................................................... 5-6
SAFETY INFORMATION FOR USERS OF PROPANE GAS .................................................................. 6-7
IMPORTANT INSTALLATION GUIDELINES .............................................................................................. 7
INTRODUCTION ........................................................................................................................................ 8
SPECIFICATIONS ...................................................................................................................................... 9
INSTALLATION IN A FIREPLACE ............................................................................................................ 10
FIREPLACE INSERT DIMENSIONS .........................................................................................................11
BUILT-IN FIREPLACE INSTALLATION .................................................................................................... 12
VFPC20IN FIREPLACE SURROUND DIMENSIONS .............................................................................. 13
VFPC28IN FIREPLACE SURROUND DIMENSIONS .............................................................................. 14
ALTERNATE ON/OFF SWITCH INSTALLATION (WITH CAST IRON SURROUND) .............................. 15
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS................................................... 16
PROVISIONS FOR ADEQUATE COMBUSTION & VENTILATION AIR ............................................. 16-17
GAS SUPPLY ...................................................................................................................................... 18-19
(COMBUSTIBLE) CLEARANCES ............................................................................................................ 19
COMBUSTIBLE MATERIALS ................................................................................................................... 20
MILLIVOLT ALTERNATE ON/OFF SWITCH INSTALLATION (STANDARD SURROUNDS) ................... 21
BLOWER ACCESSORY INFORMATION ................................................................................................. 22
VFPC20IN LOG PLACEMENT ................................................................................................................. 23
VFPC20IN EMBER PLACEMENT PHOTO .............................................................................................. 24
VFPC28IN LOG PLACEMENT ................................................................................................................. 25
VFPC28IN EMBER PLACEMENT PHOTO .............................................................................................. 26
MILLIVOLT CONTROL VALVE LIGHTING INSTRUCTIONS ................................................................... 27
OPERATION INSTRUCTIONS/FLAME APPEARANCE .......................................................................... 28
MILLIVOLT PILOT FLAME CHARACTERISTICS .................................................................................... 29
PILOT FLAME CHARACTERISTICS ....................................................................................................... 30
WIRING .................................................................................................................................................... 31
MAINTENANCE ....................................................................................................................................... 31
TROUBLESHOOTING SYMPTOMS - POSSIBLE CAUSES AND CORRECTIONS ............................... 32
INTERMITTENT PILOT LIGHTING INSTRUCTIONS .............................................................................. 33
IPI ELECTRONIC SYSTEM OPERATING INSTRUCTIONS ................................................................... 34
IPI ELECTRONIC SYSTEM WIRING DIAGRAM ..................................................................................... 35
INTERMITTENT CONTROL SYSTEM TROUBLESHOOTING ........................................................... 37-41
VFPC(20,28)IN PARTS LIST ............................................................................................................... 42-43
VFPC(20,28)IN PARTS VIEW .................................................................................................................. 44
LOG PARTS LISTS AND PARTS VIEWS ................................................................................................. 45
MASTER PARTS DISTRIBUTOR LIST .................................................................................................... 46
HOW TO ORDER REPAIR PARTS .......................................................................................................... 46
WARRANTY ............................................................................................................................................. 47
SECTION PAGE
39236-6-0120 Page 3
Index
Description
Quantity Supplied
Location
MV IP
1 Fireplace Insert 1 1 In carton
2 Barrier Screen Assembly 1 1 Front of Insert
3 Warning Label Plate 1 1 In envelope
4 Flex Line with Shut-off 1 1 Attached to the gas valve
5 AA Batteries 0 4 In envelope
6 Wire Retainer Clips 3 3 In envelope
7 ON/OFF Switch 1 1 In envelope
8 Extension Wire Harness 1 1 In envelope
9 5/16-18 Hex Head bolt, 2-1/2 inches long 4 4 In envelope
10 Log Set (VFPC28IN) 1 1 Inside rebox
11 Log Set (VFPC20IN) 1 1 Inside rebox
12 Rockwool Embers 1 1 In envelope
13 AC Power Adapter 0 1 In envelope
WARNING
BATTERY
1 2
3
4
5
6
7
8
9
10 11
A
C
P
O
W
E
R
ADAPTER
R
O
C
K
W
O
O
L
12
13
WARNING
BATTERY
1
2
3
4
5
6
7
8
9
10
11
A
C
P
O
W
E
R
ADAPTER
R
O
C
K
W
O
O
L
12
13
12
WARNING
BATTERY
1
2
3
4
5
6
7
8
9
10
11
A
C
P
O
W
E
R
ADAPTER
R
O
C
K
W
O
O
L
12
13
13
39236-6-0120Page 4
WARNING
Read and follow these safety precautions prior to operat-
ing this appliance. Failure to follow these precautions may
result in death, injury, or property damage.
DANGER
result in death or serious injury.
WARNING
result in death or serious injury.
CAUTION
result in minor or moderate injury.
NOTICE: Addresses practices not related to personal injury.
Attention! If the replace insert is installed into a modied
wood-burning, factory-built replace, the replace cannot
be returned to a wood-burning replace. See page 10 for
additional details regarding the allowed modications to a
factory-built replace.
Read all instructions before starting installation and follow them
carefully to insure safety. Failure to follow the instructions will
void the warranty and may cause a re hazard.
• Installation of any damaged replace insert.
• Modication of the replace insert.
• Installation other than as instructed by Empire Comfort
Systems Inc.
• Improper positioning of logs, barrier screen, or decorative
accessories.
• Installation and/or use of any component part not
manufactured or approved by the manufacturer.
All correspondence should refer to complete Model Number,
Serial Number and type of gas. Fill out the Homeowner
Reference Section on page 46.
BEFORE YOU START
1. Cut binding straps.
2. Remove the top carton.
3. Carefully remove the carton contents.
4. Use the Carton Contents and Hardware Pack lists on page 3
to verify all components are present.
5. Verify that the replace insert and components have not
been damaged during shipping.
6.
a. Lift screen frame straight up about 1/2".
b. Pull the bottom outward just enough to release the
bottom retainer bracket from the rebox bottom ange.
c. Pull the top of the frame forward about 1/2", then
lower barrier to remove from the insert.
7. Set replace insert in a location near its nal installation
location.
Preparation
This replace insert and its components are safe when installed
in accordance with this Installation Manual. Report any parts
damaged in shipment to your dealer. Do not install the replace
insert with damaged, incomplete or substitute parts.
Installation Considerations - Fireplace Installation Guidelines
Determine where to install the replace insert. The replace
insert can be mounted on any of these surfaces:
1. A at hard combustible or non-combustible surface
2. A raised platform of combustible or non-combustible material
3. Or, install in wood burning replace
If the replace is installed directly on carpeting, tile or other
combustible material other than wood or ooring, it must be
installed on a metal or wood panel extending the full width and
depth of the replace insert.
This replace insert is designed to be installed in a zero-clearance
enclosure. This means combustible material such as framing
lumber can come in contact with the top and side standoff
spacers, and be secured to combustible framing.
This replace insert requires an easily accessible gas shut-off
valve be installed in the gas supply line prior to its entry to the
replace.
• Any desired accessories
• Gas supply piping
• Electrical connections
• Electrical supply requirements for blower
(120V, 60Hz, 1Amp) (Right entrance)
A selection of a shut-off valve containing a ange and key is
recommended.
39236-6-0120 Page 5
IMPORTANT SAFETY INFORMATION
DANGER: Indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING: Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION: Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTICE: Addresses practices not related to personal injury.
ignition.
the same room with the appliance.
appliance.
produce a residue in the air similar to candles and may produce
of soot produced and deposited.
QUALIFIED SERVICE
PERSON.
room heater and to replace any part of the control system and
during operation.
off during initial operation of the appliance. This is a normal
WARNING: DO NOT operate this appliance unless all
Log set placement instructions for correct log and twig
positioning.
dealer as indicated in the How to Order Repair Parts section of
the appliance manual.
WARNING
poisonous gas.
-
of instructions, refer to the National Fuel Gas Code, ANSI
PILOT LIGHT SAFETY SYS-
TEM designed to turn off the heater if not enough fresh air
DO NOT TAMPER WITH PILOT LIGHT SAFETY SYSTEM!
control compartment clean.
CARBON MONOXIDE POISONING MAY LEAD TO DEATH.
GET FRESH AIR
AT ONCE! HAVE HEATER SERVICED.
Some people — pregnant women, persons with heart or lung
than others.
The pilot light safety system senses the depletion of oxygen
In this type of application, a fan to circulate the structure air will
39236-6-0120Page 6
SAFETY INFORMATION FOR USERS OF PROPANE GAS
-
sions. In its natural state, propane is odorless and colorless.
exactly what to do. If, after reading the following information,
you feel you still need more information, please contact your
gas supplier.
PROPANE GAS WARNING ODOR
signal to go into immediate action!
• Do not operate electric switches, light matches, use your
phone. Do not do anything that could ignite the gas.
• Get everyone out of the building, vehicle, trailer, or area. Do
that IMMEDIATELY.
• Close all gas tank or cylinder supply valves.
• Propane Gas is heavier than air and may settle in low areas
such as basements. When you have reason to suspect a gas
leak, keep out of basements and other low areas. Stay out until
reghters declare them to be safe.
• Use your neighbor's phone and call a trained Propane Gas
service person and the re department. Even though you may
not continue to smell gas, do not turn on the gas again. Do not
re-enter the building, vehicle, trailer, or area.
• Finally, let the service man and reghters check for escaped
gas. Have them air out the area before you return. Properly
trained Propane Gas service people should repair the leak,
then check and relight the gas appliance for you.
NO ODOR DETECTED - ODOR FADE
Some people cannot smell well. Some people cannot smell
you can smell the odorant in propane. Smoking can decrease
your ability to smell. Being around an odor for a time can affect your
sensitivity or ability to detect that odor. Sometimes other odors in
the area mask the gas odor. People may not smell the gas odor or
their minds are on something else. Thinking about smelling a gas
odor can make it easier to smell.
The odorant in Propane Gas is colorless, and it can fade under
some circumstances. For example, if there is an underground
leak, the movement of the gas through soil can lter the odorant.
Odorants in Propane Gas also are subject to oxidation. This fading
can occur if there is rust inside the storage tank or in iron gas pipes.
The odorant in escaped gas can adsorb or absorb onto or into walls,
masonry and other materials and fabrics in a room.
That will take some of the odorant out of the gas, reducing its odor
intensity. Propane Gas may stratify in a closed area, and the odor
intensity could vary at different levels. Since it is heavier than air,
there may be more odor at lower levels. Always be sensitive to the
slightest gas odor. If you detect any odor, treat it as a serious leak.
Immediately go into action as instructed earlier.
SOME POINTS TO REMEMBER
• Learn to recognize the odor of Propane Gas. Your local
Propane Gas Dealer can give you a "Scratch and Sniff" pam-
phlet. Use it to nd out what the propane odor smells like. If
you suspect that your Propane Gas has a weak or abnormal
odor, call your Propane Gas Dealer.
• If you are not qualied, do not light pilot lights, perform service,
or make adjustments to appliances on the Propane Gas system.
If you are qualied, consciously think about the odor of Propane
Gas prior to and while lighting pilot lights or performing service
or making adjustments.
• Sometimes a basement or a closed-up house has a musty
smell that can cover up the Propane Gas odor. Do not try to
light pilot lights, perform service, or make adjustments in an
area where the conditions are such that you may not detect
the odor if there has been a leak of Propane Gas.
• Odor fade, due to oxidation by rust or adsorption on walls of
new cylinders and tanks, is possible. Therefore, people should
be particularly alert and careful when new tanks or cylinders
are placed in service. Odor fade can occur in new tanks, or
reinstalled old tanks, if they are lled and allowed to set too
long before relling. Cylinders and tanks which have been out
of service for a time may develop internal rust which will cause
odor fade. If such conditions are suspected to exist, a periodic
sniff test of the gas is advisable.
A peri-
odic sniff test of the Propane Gas is a good safety measure
under any condition.
•
Sooting: A vent-free replace or burner draws room air to
support combustion. Lightweight particles suspended in the air –
including dust, carpet bers, candle or tobacco smoke, and pet
hair – will be drawn toward the replace. These can lead to soot
build up on logs, replace walls, and even walls of the room. To
prevent malfunctions and sooting, have your dealer perform an
inspection and cleaning each year – before the heating season.
If you have pets or excessive dust, more frequent cleaning may
be necessary. See cleaning and service section in this manual.
•
Place embers (rock wool) in this replace, as shown on
pages 24 and 26.
• Do not place lava rocks on burner or logs.
• Installing a television above a replace has become a
desirable feature; however, the following information should
be considered.
All replaces, whether decorative or heater rated create
heat. Most television manufacturers recommend not placing
a television near a heat source. Because there is a large
variety of television manufactures, styles and sizes, it is
impractical to test every potential installation. If you choose to
install a television above or near your replace, understand
that Empire Comfort Systems accepts no responsibility for
this decision and any injury or damage due to this application
is the sole responsibility of the owner. Additionally, it is highly
recommended to turn off the replace and let it cool down
before servicing or using the operational buttons located
on the television. In all cases, the television manufacturer’s
instructions and warnings should be followed.
39236-6-0120 Page 7
SAFETY INFORMATION FOR USERS OF PROPANE
• If, at any time, you do not smell the Propane Gas odorant and
you think you should, assume you have a leak. Then take the
same immediate action recommended above for the occasion
when you do detect the odorized Propane Gas.
• If you experience a complete "gas out," (the container is under
no vapor pressure), turn the tank valve off immediately. If the
container valve is left on, the container may draw in some air
through openings such as pilot light orices. If this occurs, some
new internal rusting could occur.
If the valve is left open, then treat the container as a new tank.
Always be sure your container is under vapor pressure by
turning it off at the container before it goes completely empty
or having it relled before it is completely empty.
PROPER LOG PLACEMENT
Log placement is critical to proper burner performance. Logs must
be correctly positioned onto the burner. The photos in this manual
show the proper pinned position for logs on this set. Owners need to
be shown proper log placement and instructed not to move the logs.
Logs must t rmly onto the burner when positioned as shown in
the photos. Malformed logs or logs with sloppy pin holes must be
replaced.
Rock wool can be added to burners for a glowing ember effect.
It must be positioned only on the front portion of the burner. The
photos in this manual show the proper placement of rock wool.
Decorative lava rock or small wood pieces should never be placed
on the burner. These items are only for placement on the oor of
the replace or rebox.
PROPER PRIMARY AIRFLOW INTO BURNER
For proper burner operation and ame appearance, the ow of
primary air into the venturi tube, located on the rear of the burner,
must not be reduced. This ow of air is reduced if dirt, lint or other
obstructions build-up around or inside the venturi. Any obstruction
in the venturi tube area must be removed. The ow of air into the
venturi is also reduced if the gas orice isn’t centered in the venturi
inlet and/or is not aligned with the venturi. Any misalignment of the
burner orice may be corrected by bending the shutter cap holding
the orice to the inlet of the venturi tube.
CEILING FANS, PORTABLE FANS OR LOGS
INSTALLED NEAR COLD AIR RETURNS
Ceiling fans or oscillating oor type fans need to be monitored
during the operation of vent-free logs. If the air blows directly
into the ame causing it to impinge on the log set, or rebox, it
should be turned off or redirected. Ceiling fans could be reversed
to possibly eliminate ame impingement, and the oor fan could
be redirected. Upon installation, be aware of any cold air returns
or vents in the proximity of the log set. Any draft created around
a vent-free log set can cause the ame to impinge on the log and
create a sooting situation.
WARNING
WARNING
CANDLES
Avoid the use of scented or decorative candles while the log set is
in operation. Candles produce a residue in the air that creates a
soot like substance. Burning candles while the log set is operating
magnies the problem. It should be noted that candles, in general,
produce soot. The amount of time burned and the quantity of
candles burned will determine the amount of soot produced and
deposited.
Properly installed and properly maintained log sets do not deposit
soot on the logs. If users see soot appear on a log, call for service.
Do not continue to operate the log set.
This appliance is only for use with the type of gas indicated on
the rating plate and may be installed in an aftermarket, perma-
nently located, manufactured (mobile) home where not prohib-
ited by local codes. This appliance is not convertible for use with
other gases.
CAUTION
WARNING
maintenance can cause property damage, personal injury
IMPORTANT INSTALLATION GUIDELINES
39236-6-0120Page 8
Installation on Rugs and Tile
If this appliance is installed directly on carpeting, tile or other
combustible material other than wood ooring the appliance shall
be installed on a metal or wood panel extending the full width and
depth of the appliance.
The base referred to above does not mean the re-proof base as
used on wood stoves. The protection is for rugs that are extremely
thick and light colored tile.
Solid-fuels shall not be burned in a masonry or UL 127 factory-
built replace in which an unvented room heater is installed.
Installation and replacement of gas piping, gas utilization equipment
or accessories and repair and servicing of equipment shall be
performed only by a qualied agency. The term "qualied agency"
means any individual, rm, corporation or company which either in
person or through a representative is engaged in and is responsible for
(a) the installation or replacement of gas piping or (b) the connection,
installation, repair or servicing of equipment, who is experienced in
such work, familiar with all precautions required and has complied
with all the requirements of the authority having jurisdiction.
Commonwealth of Massachusetts: The installation must be
made by a licensed plumber or gas tter in the Commonwealth
of Massachusetts.
Sellers of Unvented Propane or Natural Gas-Fired supplemental
room heaters shall provide to each purchaser a copy of 527 CMR
30 upon sale of the unit.
In the Commonwealth of Massachusetts, Unvented Propane and
Natural Gas-Fired space heaters shall be prohibited in bedrooms
and bathrooms.
The installation must conform with local codes or, in the absence
of local codes, with the National Fuel Gas Code, ANSI Z223.1.*
*Available from the American National Standards Institute, Inc. 1430
Broadway, New York, N.Y. 10018.
WARNING
Instructions to Installer
1. Installer must leave instruction manual with owner after
installation.
2. Installer must have owner ll out and mail warranty card supplied
with unvented room heater.
3. Installer should show owner how to start and operate unvented
room heater.
Always consult your local Building Department regarding regulations,
codes or ordinances which apply to the installation of an unvented
room heater.
This appliance may be installed in an aftermarket* manufactured
(mobile) home, where not prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from
the manufacturer.
Well Head Gas Installations
Some Natural Gas utilities use “well head” gas. This may affect
the Btu output of the unit and promote sooting. Units shall not be
converted to use well head gas.
This appliance is only for use with the type of gas indicated on the
rating plate. This appliance is not convertible for use with other gases.
WARNING
Improper installation or use of the heater can cause serious
poisoning.
This series is design certied in accordance with American National
Standard Z21.11.2-2016 by the Underwriter's Laboratories as an
Unvented Room Heater and should be installed according to these
instructions.
Any alteration of the original design, installed other than as
shown in these instructions or use with a type of gas not
VFPC28IN3 and VFPC20IN3 Series Only
When you ignite the pilot, the thermocouple produces millivolts
(electrical current) which energizes the magnet in the gas valve.
After 30 seconds to 1 minute time period you can release the gas
control knob and the pilot will stay ON. Allow your pilot ame to
operate an additional one (1) to two (2) minutes before you turn the
gas control knob from the PILOT position to the ON position. This
time period allows the millivolts (electrical energy) to build-up to a
sufcient level allowing the gas control to operate properly.
Important
All correspondence should refer to complete Model Number, Serial
Number and type of gas.
NOTICE: During initial ring of this unit, its paint will bake out, and
smoke will occur. To prevent triggering of smoke alarms, ventilate
the room in which the unit is installed.
INTRODUCTION
39236-6-0120 Page 9
VFPC28IN3* Propane Natural
Input Btu/hr Maximum 28,000 28,000
Input Btu/hr Minimum 23,000 20,000
Orice #52 #38
Air Shutter Opening Full Open 1/8"
VFPC28IN7* Propane Natural
Input Btu/hr Maximum 28,000 28,000
Input Btu/hr Minimum 23,000 20,000
Orice #52 #38
Air Shutter Opening Full Open 1/8"
VFPC20IN3* Propane Natural
Input Btu/hr Maximum 20,000 20,000
Input Btu/hr Minimum 15,000 14,000
Orice #55 2.1mm
Air Shutter Opening Full Open 1/8"
VFPC20IN7* Propane Natural
Input Btu/hr Maximum 20,000 20,000
Input Btu/hr Minimum 15,000 14,000
Orice #55 2.10mm
Air Shutter Opening Full Open 1/8"
All units require the use of one of the following surrounds. See
pages 13 and 14.
Description
DS20433BL
Metal Surround 3-Sided, 1-Piece,
(4x3x1) Matte Black (34Wx21.5Hx1D)
For Use With VFPC20IN Inserts
DS20763BL
Metal Surround 3-Sided, 1-Piece,
(7x6x1) Matte Black (40Wx24.5Hx1D)
For Use With VFPC20IN Inserts
DS28433BL
Metal Surround 3-Sided, 1-Piece,
(4x3x1) Matte Black (37Wx24.5Hx1D)
For Use With VFPC28IN Inserts
DS28763BL
Metal Surround 3-Sided, 1-Piece,
(4x3x1) Matte Black (43Wx27.5Hx1D)
For Use With VFPC28IN Inserts
DS20334BL
Metal Surround 4-Sided, 1-Piece,
Matte Black (34Wx22-7/8Hx1/8D)
For Use With VFPC20IN Inserts
DS28334BL
Metal Surround 4-Sided, 1-Piece,
Matte Black (37Wx25-7/8Hx1/8D)
For Use With VFPC28IN Inserts
SC256BL
Cast Iron Surround (for use with
VFPC 20-inch Inserts)
NOTE: SAN20 Adaptor Kit Required
SC336BL
Cast Iron Surround (for use with
VFPC 28-inch Inserts)
NOTE: SAN28 Adaptor Kit Required
SPECIFICATIONS
Description
SAN20
Surround Adaptor Kit - Required For Cast
Iron Surround With VFPC20IN Inserts
SAN28
Surround Adaptor Kit - Required For Cast
Iron Surround With VFPC28IN Inserts
Optional Control Accessories
Remote Control
Accessories
Description
FRBC
Millivolt/IP Battery Operated Remote
Control
FRBTC
Millivolt/IP Battery Operated Remote
Control with Thermostat
FRBTP
Battery Operated Programmable Remote
Control
FWS-1 Millivolt/IP Wall Switch
TRW
Millivolt/IP Remote Wall Thermostat
(Wireless)
TMV Millivolt/IP Wall Thermostat, - Reed Switch
FREC Electric Remote Control
Description
RVKN Variable Remote Kit - IP Natural
RVKP Variable Remote Kit - IP Propane
Contact your Empire Dealer for more information.
39236-6-0120Page 10
1. First check to make sure there is no hidden damage to the
unit. Take a minute and plan out the gas and electrical route. It
is best to start with the gas line rst, followed by the electrical
supply requirements.
2. Minimum replace opening requirements are shown in
Figure 2 of this installation manual. The rebrick (refractory),
glass doors, screen rails, screen mesh and log grates can be
removed from a replace in order to gain minimum gas insert
opening requirements prior to installing the gas replace insert.
CAUTION
3.
Although the insert does not require a hearth extension, only
heat resistant materials such as stone, metal, tile, etc. should
be used. Do not use vinyl, carpet, or wood based products
within 16 inches of the insert face. Do not obstruct the lower
vented openings on the insert. NOTE: The original replace
cannot be returned to solid fuel use without returning the hearth
extension to the specication required for a solid fuel replace.
4. The side walls, top and oor structures of the rebox may not
be altered with the exception of removable bafes and damp-
ers. Smoke shields, shelves and bafes may be removed.
The original replace cannot be returned to solid fuel in this
condition.
5. The insert surround is tested and approved with this gas in-
sert and may cover existing air circulation vents or grills on the
solid fuel replace it is installed into. If the surround does not
cover the entire ventilation grill surface, the exposed grill area
should be left open.
NOTICE:
Cutting any sheet-metal from the decommissioned re-
place or rebox for the installation of zero-clearance unvented re-
place insert, may be necessary and is acceptable in this application.
NOTICE: The following statement is also provided on a separate
label plate in the instruction packet. Prior to installation of the re-
place insert, the installer must mechanically secure this warning
plate to the inside of the replace for future reference as required.
WARNING
-
6. Place the insert into position.
NOTICE: The front anges of the insert (without surround panels)
should be set at approximately 1" in front of the face of the replace.
7. Level the insert from side to side and front to back.
8. If necessary, use the leveling bolts included in the instruction
pack. Screw the legs into the nuts installed in the bottom of
the insert. Turn legs in until insert is level.
NOTICE: The best way to access the leveling bolt locations
is to remove the burner and rebox bottom.
NOTICE:
If desired, it is acceptable to attach metal strapping
or brackets (not provided) from the replace cavity to the insert
outer jacket to secure the replace insert to the replace hearth
or opening.
9. Install the insert without the surround panels attached and
make all gas venting and electrical connections. If the control
module, receiver and other electrical devices are pulled out to
install the gas line, they must be placed back into the location
where they were from the factory. The gas exline may cross
over the control module.
WARNING
-
-
10. The surround panel assembly is attached to the replace after
it has been installed with all the gas and electrical connections
completed. Refer to instructions included with the surround
panel kit.
INSTALLATION IN A FIREPLACE
39236-6-0120 Page 11
FIREPLACE INSERT DIMENSIONS
A
D
C
B
Figure 2
Figure 1
VF FIREPLACE INSERT DIMENSIONS
MODEL A B C D E F G H I J
VFPC(10,20)IN
29 1/4" 19 1/8" 14 5/8" 25 7/8" 16 3/16" 13 9/16"
27 13/16"
18 1/8" 15/16" 13 9/16" 11/16"
VFPC28IN
32 1/4" 22 1/8" 17 5/8" 28 7/8"
17 13/16"
15 1/16"
30 13/16"
21 1/8" 15/16"
14 15/16"
11/16"
Fireplace Opening Dimensional Information/Sizing
MINIMUM FIREPLACE OPENING DIMENSIONS
MODEL
HEIGHT
A
FRONT
WIDTH
B
DEPTH
C
REAR
WIDTH
D
VFPC(10,20)IN
19 3/8" 27 1/2" * 13 1/2" 15 3/4"
VFPC28IN
22 3/8" 30 1/2" * 15" 19"
NOTICE: These are the minimum dimensions of a replace
that the replace insert will t into. It allows room for the box
and the replace surround to t onto the front of the unit. It
is not intended to be used for framing dimensions. Refer to
Figures 3 to 5 for framing dimensions.
A
D
C
E
B
H
I
J
F
G
K
A
D
C
E
B
H
I
J
F
G
K
39236-6-0120Page 12
In planning the installation for the replace, it is necessary to
determine where the unit is to be installed and whether optional
accessories are desired. Gas supply piping should also be planned
at this time.
This unit is designed to be installed in a zero-clearance enclosure.
This means the combustible material can come in contact with
the rebox.
Built-In Fireplace Installation
Built-in installation of this replace involves installing the
replace into a framed-in enclosure. This makes the front of the
replace ush with a wall.
Frame in rough opening. Use dimensions show in Figure 3 for a
conventional rough opening. Use dimensions shown in Figure 4
for corner rough opening. Use Figure 5 for an elevated installa-
tion. Be sure to provided support to the bottom of the replace.
Be sure to provide gas line for replace and electrical power for a
blower assembly, if included.
Although the insert does not require a hearth extension, only heat
resistant materials such as stone, metal, tile, etc. should be used.
Do not use vinyl, carpet, or wood based products within 16
inches of the insert face. Do not obstruct the lower vented
openings on the insert.
1. Gas line connections must be made at this time. When
facing the appliance, the gas supply will enter on the right-
hand side. See "Gas Supply" page 18 to 19.
2. Insert replace into enclosure.
3. Level rebox.
4. Finished wall surface will be ush to the back edges of
surround top and sides.
5. The surround panel assembly is installed after the replace
has been installed with all the gas and electrical connection
completed. Refer to instructions included with the surround
panel kit.
6. Installation of built-in replace is completed.
BUILT-IN FIREPLACE INSTALLATION
The replace can be mounted on any of these surfaces:
1. A at hard combustible or non-combustible surface.
2. A raised platform of combustible or non-combustible material.
3. Four corners of the replace so contact is made on all four
perimeter edges on the bottom of the unit.
(Example: Four concrete masonry blocks.)
Rough Opening for Installing in Wall Rough Opening for Installing in Corner
FLUSH
INSTALLATION
PROJECTED
INSTALLATION
1” TO 6” FROM BACK
25mmTO 152mm
ELECTRICAL RECEPTACLE
7 1/2” (190.5mm)
GAS SUPPLY
B
C
A
MODELS A B C D E F
VFPC20IN
13 1/2"
(343 mm)
27 1/2"
(698.5 mm)
19 3/8"
(492 mm)
36 1/4"
(920.8 mm)
43 1/4" Min.
(1,098.6 mm)
21 5/8"
(549.3 mm)
VFPC28IN
15"
(381 mm)
30 1/2"
(774.7 mm)
22 3/8"
(568 mm)
36 1/4"
(920.8 mm)
48" Min.
(1,219.2 mm)
24"
(609.6 mm)
Figure 3 Figure 4 Figure 5
E
F
39236-6-0120 Page 13
VFPC20IN FIREPLACE SURROUND DIMENSIONS
DS20433BL
34”
21 1/2”
1”
40”
24 1/2”
1”
39236-6-0120Page 14
VFPC28IN FIREPLACE SURROUND DIMENSIONS
DS28433BL
37”
24 1/2”
1”
43”
27 1/2”
1”
39236-6-0120 Page 15
ALTERNATE ON/OFF SWITCH INSTALLATION
Cast Iron Surrounds
Cast Iron Surrounds require a surround adaptor kit. See page 9
for kit information.
1. Find the coiled low voltage wire assembly and ON/OFF
switch located in the instruction packet.
2a. Attach the ag terminal ends to the “TH/TP” and “TH”
terminals on the front terminal block of the MV gas valve.
See Figure 19 on page 21.
2b. Attach the ag terminals to the green and white wire
terminals located in the bottom of the insert near the gas
valve. See Figures 20 and 21 on page 21.
3. Run the low voltage alternate switch wires up the back of
the right or left cast surround leg. Then secure them with the
wire clips provided.
4. Install the switch bracket with screws as shown in
to the back of the cast surround leg.
NOTICE
5. Install ON/OFF switch, and connect low-voltage wires from
gas valve (MV) or control module (IP).
6. Attach cast surround panel assembly to the insert. Place the
cast surround assembly to the face of the insert. Align the
inside brackets on the cast surround with the anges on the
insert. Install four #8 x 1/2 truss head sheet metal screws to
secure the surround.
39236-6-0120Page 16
Water vapor is a by-product of gas combustion. An unvented room
heater produces approximately one ounce (30ml) of water for every
1,000 BTU's (.3KW's) of gas input per hour.
Unvented room heaters are recommended as supplemental heat (a
room) rather than a primary heat source (an entire house). In most
supplemental heat applications, the water vapor does not create a
problem. In most applications, the water vapor enhances the low
humidity atmosphere experienced during cold weather.
The following steps will help insure that water vapor does not
become a problem.
1. Be sure the heater is sized properly for the application, including
ample combustion air and circulation air.
2. If high humidity is experienced, a dehumidier may be used to
help lower the water vapor content of the air.
3. Do not use an unvented room heater as the primary heat
source.
This heater shall not be installed in a conned space or unusually
tight construction unless provisions are provided for adequate
combustion and ventilation air.
A conned space is an area with volume less than 50 cubic feet per
1,000 Btuh of the combined input rates of all appliances drawing
combustion air from that space. Small areas such as equipment
rooms are conned spaces. Furnaces installed in a conned space
which supply heated air to areas outside the space must draw return
air from outside the space through tightly sealed return air ducts. A
conned space must have 2 openings into the space for combustion
air. One opening must be within 12 inches of the ceiling and the
other must be within 12 inches of the oor. The required sizing of
these openings is determined by whether inside or outside air is
used to support combustion, the method by which the air is brought
to the space (vertical or horizontal duct) and by the total input rate
of all appliances in the space.
Unusually Tight Construction
The air that leaks around doors and windows may provide enough
fresh air for combustion and ventilation. However, in buildings of
unusually tight construction, you must provide additional fresh air.
where:
a. Walls and ceilings exposed to the outside atmosphere have
a continuous water vapor retarder with a rating of one perm
or less with openings gasketed or sealed, and
b. Weather-stripping has been added on openable windows
and doors, and
c. Caulking or sealants are applied to areas such as joints
around window and door frames, between sole plates and
oors, between wall-ceiling joints, between wall panels, at
penetrations for plumbing, electrical, and gas lines, and at
other openings.
If your home meets all of the three criteria above, you must provide
additional fresh air. See page
14.
Use this worksheet to determine if you have a conned or unconned
space.
Space: Includes the room in which you will install heater plus any
adjoining rooms with doorless passageways or ventilation grills
between the rooms.
1. Determine the volume of the space (length x width x height).
Length x Width x Height =
cu. ft. (volume of
space)
Example: Space size 16 ft. (length) x 10 ft. (width) x 8 ft. (ceiling
height) = 1,280 cu. ft. (volume of space)
If additional ventilation to adjoining room is supplied with grills
or openings, add the volume of these rooms to the total volume
of the space.
2. Divide the space volume by 50 cubic feet to determine the
maximum BTU/Hr the space can support.
(volume of space) ÷ 50 cu. ft. = (maximum
BTU/Hr the space can support)
Example: 1,280 cu. ft. (volume of space) ÷ 50 cu. ft. = 25.6 or
25,600 (maximum BTU/Hr the space can support)
3. Add the BTU/Hr of all fuel burning appliances in the space.
Vent-free heater
BTU/Hr
Gas water heater BTU/Hr
Gas furnace BTU/Hr
Vented gas heater BTU/Hr
Gas replace logs BTU/Hr
Other gas appliances* + BTU/Hr
Total = BTU/Hr
Example: Vented gas heater 20,000 BTU/Hr
Vent-free heater + 18,000 BTU/Hr
Total = 38,000 BTU/Hr
*Do not include direct-vent gas appliances. Direct vent draws
combustion air from the outdoors and vents to the outdoors.
4. Compare the maximum BTU/Hr the space can support with the
actual amount of BTU/Hr used.
BTU/Hr (maximum the space can support)
BTU/Hr (actual amount of BTU/Hr used)
Example:
25,600 BTU/Hr (maximum the space can support)
38,000 BTU/Hr (actual amount of BTU/Hr used)
WARNING
the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Air for
WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS
PROVISIONS FOR ADEQUATE COMBUSTION & VENTILATION AIR
39236-6-0120 Page 17
The space in the above example is a conned space because the
actual BTU/Hr used is more than the maximum BTU/HR the space
can support. You must provide additional fresh air. Your options
are as follows:
A. Rework worksheet, adding the space of an adjoining room. If
the extra space provides an unconned space, remove door
to adjoining room or add ventilation grills between rooms. See
Ventilation Air From Inside Building.
B. Vent room directly to the outdoors. See Ventilation Air From
Outdoors.
C. Install a lower BTU/Hr heater, if lower BTU/Hr size makes room
unconned.
If the actual BTU/Hr used is less than the maximum BTU/Hr the
space can support, the space is an unconned space. You will need
no additional fresh air ventilation.
WARNING
space.
Ventilation Air
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconned space. When
ventilating to an adjoining unconned space, you must provide two
permanent openings: one within 12" of the ceiling and one within
12" of the oor on the wall connecting the two spaces (see options
1 and 2, Figure 7). You can also remove door into adjoining room
(see option 3, Figure 7). Each ventilation grill or opening shall have
a minimum free area of one square inch per 1,000 BTUH of the total
input rating of the gas equipment in the conned space.
Figure 7
WARNING
.
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ducts. You must
provide two permanent openings: one within 12" of the ceiling and
one with 12" of the oor. Connect these items directly to the outdoors
or spaces open to the outdoors. These spaces include attics and
crawl spaces. In most cases for direct communication with the
outdoors or direct communication through a vertical duct a free
area opening of one square inch per 4,000 BTU/Hr of heater input
rating for each grill. If a horizontal duct is used, a grill free area or
duct opening shall have a free area opening of one square inch per
2,000 BTU/Hr for each grill. Follow the National Fuel Code ANSI
Z223.1/NFPA54, Air for Combustion and Ventilation for required
size of ventilation grills or ducts.
IMPORTANT: Do not provide openings for inlet or outlet air into attic
if attic has a thermostat-controlled power vent. Heated air entering
the attic will activate the power vent.
Figure 8
A1 x B1 = C1
A2 x B2 = C2
C1 + C2 = Sq. In. Required
Example: For a 30,000 BTU Heater, 1 sq in per 1,000 BTU
equals 30 sq. in. of opening.
(A1) 5in
2
x (B1) 3in
2
= (C1) 15in
2
(A2) 5in
2
x (B2) 3in
2
= (C2) 15in
2
(C1) 15in
2
+ (C2) 15in
2
= 30in
2
Figure 9
39236-6-0120Page 18
The gas pipeline can be brought in through the right or left side of
the appliance. The insert has a Flexline with shutoff valve located on
the right side when facing the unit. See Figures 10 and 11. Consult
the current National Fuel Gas Code, ANSI Z223.1 CAN/CGA-B149
(.1 or .2) installation code.
RECOMMENDED GAS PIPE DIAMETER
Pipe
Length
Schedule 40 Pipe
Inside Diameter
Outside Diameter
Natural Propane Natural Propane
0-10ft
0-3m
1/2"
12.7mm
3/8"
9.5mm
1/2"
12.7mm
3/8"
9.5mm
11-40ft
4-12m
1/2"
12.7mm
1/2"
12.7mm
5/8"
15.9mm
1/2"
12.7mm
41-100ft
13-30m
1/2"
12.7mm
1/2"
12.7mm
3/4"
19mm
1/2"
12.7mm
101-150ft
31-46m
3/4"
19mm
1/2"
12.7mm
7/8"
22.2mm
3/4"
1.9 mm
CAUTION
NOTICE: Since some municipalities have additional local codes, it
is always best to consult your local authority and installation code.
The use of the following gas connectors is recommended:
— ANS Z21.24 Appliance Connectors of Corrugated Metal Tubing
and Fittings.
— ANS Z21.45 Assembled Flexible Appliance Connectors of Other
Than All-Metal Construction
The above connectors may be used if acceptable by the authority
having jurisdiction. The Commonwealth of Massachusetts requires
that a exible appliance connector cannot exceed three feet in length.
Figure 10
Installing the Main Gas Shut-Off
Each appliance should have its own manual gas shut-off.
A manual main gas shut-off should be located in the vicinity of the
unit. Where none exists, or where its size or location is not adequate,
contact your local authorized installer for installation or relocation.
Compounds used on threaded joints of gas piping shall be resistant
to the action of liqueed petroleum gases. The gas lines must be
checked for leaks by the installer. This should be done with a soap
solution watching for bubbles on all exposed connections, and if
unexposed, a pressure test should be made.
NOTICE: The millivolt gas controls are equipped with a captured
screw type pressure test point, therefore it is not necessary to
provide a 1/8" test point up stream of the control.
When using copper or ex connector use only approved ttings.
The appliance and it’s individual shut off valve must be disconnected
from supply piping system during any pressure testing of that system
at test pressures in excess of 1/2 psig (3.5kPa).
The appliance must be isolated from the gas supply piping system
by closing its individual manual shut off valve during any pressure
testing of the gas supply piping system at test pressures equal to
or less than 1/2 psig (3.5kPa).
Attention! If one of the procedures results in pressures in excess of
1/2 psig (14" w.c.) (3.5 kPa) on the replace gas valve, it will result
in a hazardous condition.
RIGHT SIDE OF INSERT
VFPC(20,28)IN3...
FRONT
OF
INSERT
GAS FLEX LINE WITH
SHUTOFF VALVE
(PROVIDED)
Figure 11
LEFT SIDE OF INSERT
VFPC(20,28)IN7...
GAS FLEX LINE WITH
SHUTOFF VALVE
(PROVIDED)
FRONT OF
INSERT
Figure 12
GAS SUPPLY
39236-6-0120 Page 19
Propane Gas will have a manifold pressure approximately 10.0"w.c.
at the pressure regulator outlet with the inlet pressure to the pressure
regulator from a minimum of 11.0"w.c. for the purpose of input
adjustment to a maximum of 13.0"w.c.
The valve regulator controls the burner pressure which should be
checked at the pressure test point. Turn captured screw counter
clockwise 2 or 3 turns and then place tubing to pressure gauge over
test point (Use test point “A” closest to control knob). After taking
pressure reading,
Do not over torque. Check for gas leaks.
MILLIVOLT VALVES
Natural Gas will have a manifold pressure of approximately 3.5" w.c.
for maximum input or 1.7" w.c. for minimum input at the pressure
regulator outlet with the inlet pressure to the pressure regulator
from a minimum of 4.5" w.c. for the purpose of input adjustment to
a maximum of 10.5" w.c.
Propane Gas will have a manifold pressure approximately 10.0"w.c.
(2.49kPa) for maximum input or 4.9"w.c. for minimum input at the
pressure regulator outlet with the inlet pressure to the pressure
regulator from a minimum of 11.0"w.c. for the purpose of input
adjustment to a maximum of 13.0"w.c.
INTERMITTENT PILOT VALVES
Natural Gas will have a manifold pressure of approximately 3.5"
w.c. at the pressure regulator outlet with the inlet pressure to the
pressure regulator from a minimum of 7.0" w.c. for the purpose of
input adjustment to a maximum of 10.5" w.c.
8”
MINIMUM CLEARANCE TO PERPENDICULAR
SIDE-WALL FROM INSIDE EDGE OF FIREBOX - 8”
Figure 13
FINISHED WALL OR
FIREPLACE FACE
COMBUSTIBLE
FLAT MANTEL
SHELF
18”
20”
10”
12”
16 1/2”
TOP OF BARRIER
SCREEN FRAME
VFPC20 SERIES
Figure 14
FINISHED WALL OR
FIREPLACE FACE
COMBUSTIBLE
FLAT MANTEL
SHELF
18”
20”
10”
12”
19 1/2”
TOP OF BARRIER
SCREEN FRAME
VFPC28 SERIES
Figure 15
39236-6-0120Page 20
No greeting cards, stockings or ornamentation of any type should
be placed on or attached to the replace. The ow of heat can
ignite combustibles.
Do not attach combustible material to the mantel of your replace.
This is a re hazard.
COMBUSTIBLE MATERIALS
No greeting cards, stockings or ornamentation of any type should be
placed on or attached to the replace. This is a heating appliance.
The ow of heat can ignite combustibles.
Figure 17
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White Mountain Hearth Franklin Vent-Free Fireplace Insert (VFPC20,28) Owner's manual
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